40013001403 has 4 divisors (see below), whose sum is σ = 40013451088. Its totient is φ = 40012551720.

The previous prime is 40013001397. The next prime is 40013001407. The reversal of 40013001403 is 30410031004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40013001403 - 2³³ = 31423066811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013001407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41583 + ... + 285928.

It is an arithmetic number, because the mean of its divisors is an integer number (10003362772).

Almost surely, 2^40013001403 is an apocalyptic number.

40013001403 is a deficient number, since it is larger than the sum of its proper divisors (449685).

40013001403 is a wasteful number, since it uses less digits than its factorization.

40013001403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449684.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40013001403 its reverse (30410031004), we get a palindrome (70423032407).

The spelling of 40013001403 in words is "forty billion, thirteen million, one thousand, four hundred three".